cardiac asthma cardiac asthma n. An asthmatic attack due to bronchoconstriction caused by pulmonary congestion and failure of the left ventricle. Historical Examples The first attack of cardiac asthma is to be looked upon as the beginning of the end. Arteriosclerosis and Hypertension: Louis Marshall Warfield In addition to all this, Jessie’s brother dies of […]

cardiac catheter cardiac catheter n. A long, fine catheter that can be passed into the chambers of the heart via a vein or artery as a means of withdrawing samples of blood, measuring pressures within the heart’s chambers or great vessels, or injecting contrast media. Also called intracardiac catheter.

one complete heartbeat, consisting of one contraction and relaxation of the heart. cardiac cycle n. A complete beat of the heart, including systole and diastole and the intervals between, beginning with any event in the heart’s action to the moment when that same event is repeated. cardiac cycle The rhythmic contraction (systole) and relaxation (diastole) […]

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